kieran healy  4/19/2026

New York City Hexmaps

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This article describes the nycmaps R package for drawing maps of New York City's various geographies, including Census Tracts, Neighborhood Tabulation Areas (NTAs), and other administrative boundaries. It explains the hierarchical structure of Census units (blocks to tracts to counties), the challenges of mapping ZIP codes and ZCTAs, and provides ggplot2 code examples for visualizing tract-level maps. The article is a technical tutorial aimed at data analysts and R users working with spatial data in NYC.

New York City Hexmaps

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